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Experiment: EG4, 2016
Spokespersons: Xiaochao Zheng
Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
No publications available for this experiment
Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none
| Q2 : | 0.4155 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9221 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.5709 |
|
Select data slice:
cos(θπ+) = |
Observable quantity measured (Y axis): ALU,
Parameter (X axis): φ(π+), degrees |
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θπ+) |
φ(π+),
degrees |
ALU | Stat. error | Syst. error |
|---|---|---|---|---|
| 0.25 | 294 | 0.0087 | 0.2296 | 0.03 |
| 0.45 | 90 | 0.0565 | 0.2745 | 0.03 |
| 0.55 | 66 | -0.0103 | 0.2609 | 0.03 |
| 0.55 | 78 | 0.2396 | 0.2422 | 0.0304 |
| 0.55 | 90 | 0.2625 | 0.2118 | 0.0305 |
| 0.55 | 102 | -0.3651 | 0.2138 | 0.0309 |
| 0.65 | 78 | -0.5689 | 0.1679 | 0.0321 |
| 0.65 | 90 | 0.0344 | 0.1536 | 0.03 |
| 0.65 | 102 | -0.0228 | 0.1948 | 0.03 |
| 0.65 | 114 | 0.2495 | 0.1984 | 0.0304 |
| 0.65 | 246 | 0.2061 | 0.2823 | 0.0303 |
| 0.65 | 258 | 0.3308 | 0.2054 | 0.0307 |
| 0.65 | 270 | -0.2197 | 0.2235 | 0.0303 |
| 0.65 | 282 | 0.0355 | 0.2591 | 0.03 |
| 0.75 | 54 | -0.0193 | 0.2117 | 0.03 |
| 0.75 | 66 | -0.5772 | 0.2152 | 0.0321 |
| 0.75 | 78 | 0.0544 | 0.1872 | 0.03 |
| 0.75 | 90 | 0.0442 | 0.1699 | 0.03 |
| 0.75 | 102 | -0.1364 | 0.2046 | 0.0301 |
| 0.75 | 114 | -0.1404 | 0.2392 | 0.0301 |
| 0.75 | 126 | 0.0856 | 0.2778 | 0.03 |
| 0.75 | 234 | 0.1845 | 0.2543 | 0.0302 |
| 0.75 | 246 | -0.2751 | 0.2474 | 0.0305 |
| 0.75 | 258 | -0.0682 | 0.2015 | 0.03 |
| 0.75 | 270 | -0.1409 | 0.1752 | 0.0301 |
| 0.75 | 282 | 0.2372 | 0.1787 | 0.0304 |
| 0.75 | 294 | -0.1753 | 0.2066 | 0.0302 |
| 0.75 | 306 | -0.1742 | 0.2447 | 0.0302 |
| 0.85 | 42 | 0.1574 | 0.2724 | 0.0302 |
| 0.85 | 54 | 0.0883 | 0.2374 | 0.0301 |
| 0.85 | 78 | 0.0415 | 0.2088 | 0.03 |
| 0.85 | 90 | 0.1719 | 0.1766 | 0.0302 |
| 0.85 | 102 | -0.0057 | 0.1798 | 0.03 |
| 0.85 | 114 | -0.0969 | 0.2159 | 0.0301 |
| 0.85 | 126 | -0.0216 | 0.2464 | 0.03 |
| 0.85 | 210 | -0.3373 | 0.2621 | 0.0307 |
| 0.85 | 222 | 0.2349 | 0.1954 | 0.0304 |
| 0.85 | 234 | 0.1206 | 0.2102 | 0.0301 |
| 0.85 | 246 | 0.1137 | 0.2211 | 0.0301 |
| 0.85 | 258 | -0.1665 | 0.2209 | 0.0302 |
| 0.85 | 270 | 0.173 | 0.1783 | 0.0302 |
| 0.85 | 282 | -0.1759 | 0.1702 | 0.0302 |
| 0.85 | 294 | 0.0934 | 0.1833 | 0.0301 |
| 0.85 | 306 | 0.0469 | 0.1872 | 0.03 |
| 0.85 | 318 | -0.0253 | 0.2004 | 0.03 |
| 0.95 | 210 | -0.0816 | 0.2649 | 0.03 |
| 0.95 | 222 | -0.1179 | 0.2402 | 0.0301 |
| 0.95 | 234 | 0.3544 | 0.1955 | 0.0308 |
| 0.95 | 246 | 0.0197 | 0.2158 | 0.03 |
| 0.95 | 258 | 0.1308 | 0.2248 | 0.0301 |
| 0.95 | 270 | -0.3266 | 0.1759 | 0.0307 |
| 0.95 | 282 | -0.0034 | 0.2061 | 0.03 |
| 0.95 | 294 | 0.232 | 0.1947 | 0.0304 |
| 0.95 | 306 | 0.1164 | 0.2084 | 0.0301 |
| 0.95 | 318 | 0.2042 | 0.1891 | 0.0303 |
| 0.95 | 330 | 0.3931 | 0.2238 | 0.031 |
| 0.95 | 342 | 0.0812 | 0.2761 | 0.03 |